Credits to Matt Martz.

1. install python compile tools
   

   apt-get install python-setuptools

2. clone speedtest-cli repository
   

   git clone https://github.com/sivel/speedtest-cli.git

3. install speedtest
   

   python speedtest-cli/setup.py install

4. show help file
   

   speedtest-cli --help

5. run speedtest
   

   speedtest-cli